docs: def get_longs():
    """
    Get a dictionary that maps Backpage city names to their respective longitudes.
  
    Returns:
      dictionary that maps city names (Strings) to longitudes (Floats)
    """
    longs = {}
    fname = pkg_resources.resource_filename(__name__, 'resources/Latitudes-Longitudes.csv')
    with open(fname, 'rb') as csvfile:
      # Read latitude/longitude coordinates
      reader = csv.reader(csvfile, delimiter = ',')
      for row in reader:
        word = row[0].lower()
        word = re.sub(' ', '', word)
        longs[word] = float(row[2])
    return longs